Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: 56-4×(2×X-1)=3×2² Giúp mình với cần gấp

Toán Lớp 6: 56-4×(2×X-1)=3×2²
Giúp mình với cần gấp

Comments ( 2 )

  1. 56-4×(2×x-1)=3×2²
    56-4×(2×x-1)=3×4
    56-4×(2×x-1)=12
    4×(2×x-1)=56-12
    4×(2×x-1)=44
    2×x-1=44:4
    2×x-1=11
    2×x=11+1
    2×x=12
    x=12:2
    x=6
    Vậy x=6

  2. 56-4xx(2xx x-1)=3xx2^2
    =>56-4xx(2xx x-1)=3xx4
    =>56-4xx(2xx x-1)=12
    =>4xx(2xx x-1)=56-12
    =>4xx(2xx x-1)=44
    =>2xx x-1=44:4
    =>2xx x-1=11
    =>2xx x=11+1
    =>2xx x=12
    =>x=12:2
    =>x=6
    Vậy x=6

Leave a reply

222-9+11+12:2*14+14 = ? ( )